The history of You Bart dates back to the early 2006. It all started when various students felt the need to rebel against authority. The phrase is a simple, yet affective way to return any statement that an individual dislikes or seeks to ignore.
Possible scenario's where the phrase can be used include:
Q. Have you done your homework Brock? A. YOU BART
Q. Are you whipped on Talissa Brock? A. YOU BART
or even Q. Are you going to school tomorrow Brock? A. YOU BART